//972020
#include <LiquidCrystal.h>
#include <Servo.h>

// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

int sensorValue1 = 0;
int sensorValue2 = 0;
int sensorValue3 = 0;
int sensorValue4 = 0;
int outputValue1 = 0;
int outputValue2 = 0;
int outputValue3 = 0;
int outputValue4 = 0;
int pos = 0;
Servo servo1;

void setup()
{
  
  Serial.begin(9600);
  
  pinMode(A0, INPUT); // Sensor 1
  pinMode(A1, INPUT); // Sensor 2
  pinMode(A2, INPUT); // Sensor 3
  pinMode(A3, INPUT); // Sensor 4
  
  
  
pinMode(8, OUTPUT);
  
  
  
  // set up the LCD's number of columns and rows:
  lcd.begin(0, 2);
  // Print a message to the LCD.
  lcd.print("S1: S2: S3: S4:");
 
  
  
  
  //configure pin2 as an input and enable the internal pull-up resistor
  pinMode(7, INPUT_PULLUP);
  
   servo1.attach(10);

}

void loop()
{
  // read the analog in value:
  sensorValue1 = analogRead(A0);
  sensorValue2 = analogRead(A1);
  sensorValue3 = analogRead(A2);
  sensorValue4 = analogRead(A3);
  
  
  
  
  // map it to the range of the analog out:
  outputValue1 = map(sensorValue1, 0, 1023, 0, 255);
  outputValue2 = map(sensorValue2, 0, 1023, 0, 255);
  outputValue3 = map(sensorValue3, 0, 1023, 0, 255);
  outputValue4 = map(sensorValue4, 0, 1023, 0, 255);
  // change the analog out value:
	analogWrite(8, outputValue1);
  	analogWrite(9, outputValue2);
    analogWrite(6, outputValue3);
 	analogWrite(13, outputValue4);
  
  
  
  // print the results to the serial monitor:
//  Serial.print("sensor = ");
//  Serial.print(sensorValue1);
//  Serial.print("\t output = ");
//  Serial.println(outputValue1);
  // wait 2 milliseconds before the next loop for the
  // analog-to-digital converter to settle after the
  // last reading:
  delay(2); // Wait for 2 millisecond(s)
  
  // Low: 0 - 402
  // Medio: 403 - 510
  // High: mayor o igual 511
  
 ///////////SENSOR 1/////////////
  if (sensorValue1>=0 && sensorValue1<=402)
  {
  	 lcd.setCursor(0, 1);
  	 lcd.print("L"); 
  }
 
  if (sensorValue1>=403 && sensorValue1<=510)
  {
  	
    lcd.setCursor(0, 1);
    lcd.print("M"); 
  }
  
  if (sensorValue1>=511)
  {
    lcd.setCursor(0, 1);
    lcd.print("H"); 
  }

  ///////////SENSOR 2/////////////
    if (sensorValue2>=0 && sensorValue2<=402)
  {
  	 lcd.setCursor(4, 1);
  	 lcd.print("L"); 
  }
 
  if (sensorValue2>=403 && sensorValue2<=510)
  {
  	
    lcd.setCursor(4, 1);
    lcd.print("M"); 
  }
  
  if (sensorValue2>=511)
  {
    lcd.setCursor(4, 1);
    lcd.print("H"); 
  }
  
   ///////////SENSOR 3/////////////
    if (sensorValue3>=0 && sensorValue3<=402)
  {
  	 lcd.setCursor(8, 1);
  	 lcd.print("L");
  }
 
  if (sensorValue3>=403 && sensorValue3<=510)
  {
  	
    lcd.setCursor(8, 1);
    lcd.print("M"); 
  }
  
  if (sensorValue3>=511)
  {
    lcd.setCursor(8, 1);
    lcd.print("H"); 
  }
  
   ///////////SENSOR 4/////////////
    if (sensorValue4>=0 && sensorValue4<=402)
  {
  	 lcd.setCursor(12, 1);
  	 lcd.print("L"); 
  }
 
  if (sensorValue4>=403 && sensorValue4<=510)
  {
  	
    lcd.setCursor(12, 1);
    lcd.print("M"); 
  }
  
  if (sensorValue4>=511)
  {
    lcd.setCursor(12, 1);
    lcd.print("H"); 
  }
  
  
  
  
  
  
  // set the cursor to column 0, line 1
  // (note: line 1 is the second row, since counting begins with 0):
////  lcd.setCursor(0, 1);
  // print the number of seconds since reset:
///  lcd.print(sensorValue);
  
 // lcd.setCursor(6, 1);
//  lcd.print(outputValue);
  
  
   
  
  
   //read the pushbutton value into a variable
  int motor1 = digitalRead(7);
  
  
  //print out the value of the pushbutton
 // Serial.println(sensorVal);

  // Keep in mind the pullup means the pushbutton's
  // logic is inverted. It goes HIGH when it's open,
  // and LOW when it's pressed. Turn on pin 13 when the
  // button's pressed, and off when it's not:
  
  servo1.write(0);
  
  if (motor1 == LOW) 
 	{
    //digitalWrite(13, LOW);
    servo1.write(180);
    } 
  
  
  }